Previous cores
[{"cp": [60, 88], "age": 15, "life": 22, "max_r": 7},
{"cp": [43, 50], "age": 11, "life": 23, "max_r": 5},
{"cp": [37, 17], "age": 9, "life": 16, "max_r": 7},
{"cp": [42, 71], "age": 7, "life": 15, "max_r": 6},
{"cp": [73, 41], "age": 3, "life": 23, "max_r": 6},
{"cp": [18, 49], "age": 2, "life": 23, "max_r": 7},
{"cp": [13, 72], "age": 1, "life": 23, "max_r": 7}]Current cores
[{"cp": [60, 88], "age": 16, "life": 22, "max_r": 7},
{"cp": [43, 50], "age": 12, "life": 23, "max_r": 5},
{"cp": [37, 17], "age": 10, "life": 16, "max_r": 7},
{"cp": [42, 71], "age": 8, "life": 15, "max_r": 6},
{"cp": [73, 41], "age": 4, "life": 23, "max_r": 6},
{"cp": [18, 49], "age": 3, "life": 23, "max_r": 7},
{"cp": [13, 72], "age": 2, "life": 23, "max_r": 7},
{"cp": [39, 89], "age": 1, "life": 17, "max_r": 5}]